MD Settings: fix "Add search engine" link regression

chrome/browser/resources/settings/search_engines_page/search_engines_page.html

 <link rel="import" href="chrome://resources/html/polymer_config.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/polymer/polymer.html">
 <link rel="import" href="chrome://resources/html/cr.html">
 <link rel="import" href="chrome://resources/cr_elements/cr_expand_button/cr_expand_button.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/iron-collapse/iron-collapse.html">
 <link rel="import" href="chrome://md-settings/search_engines_page/search_engines_browser_proxy.html">
 <link rel="import" href="chrome://md-settings/search_engines_page/search_engine_dialog.html">
 <link rel="import" href="chrome://md-settings/search_engines_page/search_engines_list.html">
 <link rel="import" href="chrome://md-settings/settings_shared_css.html">
 <link rel="import" href="chrome://md-settings/web_ui_listener_behavior.html">
 <link rel="import" href="chrome://resources/html/action_link.html">
 
 <dom-module id="settings-search-engines-page">
   <template>
     <style include="settings-shared">
       .label {
         margin: 20px;
       }
     </style>
     <div>
       <div class="label" i18n-content="searchEnginesDefault"></div>
       <settings-search-engines-list engines="[[defaultEngines]]">
       </settings-search-engines-list>
     </div>
     <template is="dom-if" if="[[showAddSearchEngineDialog_]]" restamp>
       <settings-search-engine-dialog></settings-search-engine-dialog>
     </template>
     <div>
       <div class="label" i18n-content="searchEnginesOther"></div>
-      <a is="action-link" i18n-content="searchEnginesAddSearchEngine"
-          on-tap="onAddSearchEngineTap_" id="addSearchEngine"></a>
+      <!-- TODO(dbeam): why does on-click work with keyboard but on-tap
+           doesn't? -->
+      <div class="label">
+        <a is="action-link" i18n-content="searchEnginesAddSearchEngine"
+            on-tap="onAddSearchEngineTap_" id="addSearchEngine"></a>
+      </div>
       <settings-search-engines-list engines="[[otherEngines]]">
       </settings-search-engines-list>
     </div>
   </template>
+  <link rel="import" type="css" href="chrome://resources/css/action_link.css">
   <script src="search_engines_page.js"></script>
 </dom-module>